GNSS radio: a system analysis and algorithm development research tool for PCs.(INNOVATION)(global navigation satellite system ) From: GPS World | Date: May 1, 2006| Author: Ray, J.K.; Deshpande, S.M.; Nayak, R.A.; Cannon, M.E. | COPYRIGHT 2006 Questex Media Group, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group.Copyright information

The Global Positioning System has become the backbone of navigation systems worldwide. GPS currently transmits a civil signal on the LI frequency. Since December 16, 2005, a GPS modernized civil signal on the L2 frequency (L2C) has also been available on one satellite. Furthermore, the first Galileo prototype satellite was launched on December 28, 2005. In addition to these two important events, global navigation satellite system (GNSS) modernization also includes a GPS L5 signal c...